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Live tracking of the Plastiki

(CNN) -- CNN is following the Plastiki's expedition across the Pacific Ocean. The catamaran made from plastic set off in mid-March, with the intention of spotlighting the increasing amount of non-biodegradable material on the planet.

The Plastiki expedition -- modeled loosely on the Kon-tiki voyage -- hopes to travel across the Pacific and arrive in Sydney, Australia.

Follow CNN's map for live, up-to-the-minute positions of the Plastiki.